Flue-stop



(No Model.)

P. L. WEST.

FLUE STOP. No. 425,479. Patented Apr. 15,1890.

I parts 0' and end posts 0 Through the mid- PHILIP L. WEST, OF

PATENT LYND ON, KANSAS.

FLUE-STOP.

SPECIFICATION forming part of Letters Patent No. 425,479, dated April15, 1890.

Application filed July 29, 1889. Serial No. 319,056. (No model.)

To all whom it may concern.-

Ee it known that I, PHILIP L. EST, a citizen of the United States,residing at Lyndon, in the county of Osage and State of Kansas, haveinvented certain new and useful I mprovements in Flue-Stops; and I dodeclare the following to be a full, clear, and exact description of theinvention, such as will enable others skilled in the art to which itappertains to make and use the same, reference being had to theaccompanying drawings, and to the letters of reference marked thereon,which form a part of this specification.

The special object of my invention is to make for chimney-holes Wherethe stove-pipe enters a stop which may fit air-tight and be securelyheld without defacing the wall.

Figure 1 of the drawings is an elevation in perspective; Fig. 2, acentral vertical section; Fig. 3, a detail view of the screw, and Fig. 4a similar view of the two parts of frame.

In the drawings, A represents the flue-stop, mad e, preferably, ofmalleable metal, coneaved and provided'wit-h the raised rim a. On thelatter I secure in any suitable manner the annular strip or packing B,made of asbestus or any other fire-proof material.

Across the middle of the stop A, I fasten by bolts or otherwise the twoparts 0 c of the frame 0, each having correspondent middle dle portion 0passes the screw D. By making the frame in two similar parts I can fitit around the screw before fastening it to the plate A, so that theparts 0' 1; will surround the screw between the collar cl and wrenchheadcl, thus making a swivel-joint while the head (1' rests on the plate, sothat its hole (1 will register with the hole a in the plate.

E is a traveling nut, in which the screw turns to move it in eitherdirection, and e e wings, in which are pivoted the arms F, which arethemselves pivoted to the links G G. The latter are pivoted in the topsof the posts, so as to turn to or from the screw, while in thescrew-collar d is made a square hole (Z to receive the square-endedcrank-key H, by which the screw may be rotated. By rotating the screw inone direction the arms F F are brought together, or nearly so, in orderthat they may be passed through the pipehole. Then the screw is turnedin an opposite direction to spread the arms F F, which then clamp thestep A firmly against the wall, so as to compress the packing-ring andproduce an air-tight joint.

W'hat I claim as new, and desire to protect by Letters Patent, is-

In a flue-stop, the combination, with .the centrally aperturcd plate Aand wrenchheaded screw D, having collar (Z, of the frame 0, havingmiddle hole 0 and end pillars c c, said frame being made in two similarparts to fit around the screw, as shown and described. In testimonywhereof I affix my signature in presence of two witnesses.

PHILIP L. VEST.

Vv'itn esses:

EDWARD SHIDELER, J. C. ONEAL.

